diff options
Diffstat (limited to 'winsup/mingw/mingwex/math/logf.S')
| -rw-r--r-- | winsup/mingw/mingwex/math/logf.S | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/winsup/mingw/mingwex/math/logf.S b/winsup/mingw/mingwex/math/logf.S deleted file mode 100644 index 32119ecde..000000000 --- a/winsup/mingw/mingwex/math/logf.S +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * Adapted for float by Ulrich Drepper <drepper@cygnus.com>. - * - * Changed to use fyl2xp1 for values near 1, <drepper@cygnus.com>. - */ - - .file "logf.S" - .text - .align 4 -one: .double 1.0 - /* It is not important that this constant is precise. It is only - a value which is known to be on the safe side for using the - fyl2xp1 instruction. */ -limit: .double 0.29 - - .text - .align 4 -.globl _logf - .def _logf; .scl 2; .type 32; .endef -_logf: - fldln2 // log(2) - flds 4(%esp) // x : log(2) - fld %st // x : x : log(2) - fsubl one // x-1 : x : log(2) - fld %st // x-1 : x-1 : x : log(2) - fabs // |x-1| : x-1 : x : log(2) - fcompl limit // x-1 : x : log(2) - fnstsw // x-1 : x : log(2) - andb $0x45, %ah - jz 2f - fstp %st(1) // x-1 : log(2) - fyl2xp1 // log(x) - ret - -2: fstp %st(0) // x : log(2) - fyl2x // log(x) - ret |